Identification of female sex pheromone for monitoring the barred tooth striped moth, trichopteryx polycommata, a priority conservation species

Journal article


Burman, J., Oleander, A., Hall, D. and Bray, D. 2019. Identification of female sex pheromone for monitoring the barred tooth striped moth, trichopteryx polycommata, a priority conservation species. Journal of Chemical Ecology. 45 (8), pp. 649-656. https://doi.org/10.1007/s10886-019-01093-1
AuthorsBurman, J., Oleander, A., Hall, D. and Bray, D.
Abstract

Pheromone-baited traps can be excellent tools for sensitive detection of insects of conservation concern. Here, identification of the sex pheromone of Trichopteryx polycommata (Denis & Schiffermüller, 1775), an under-recorded UK priority species, is reported. In analyses of extracts of the pheromone glands of female T. polycommata by gas chromatography coupled to electroantennographic recording from the antenna of a male moth, a single active component was detected. This was identified as (Z,Z)-6,9-nonadecadiene (Z,Z6,9-19:H) by comparison of its mass spectrum and retention times with those of the synthetic standard. In a pilot field trial in Kent, UK, T. polycommata males were caught in pheromone traps baited with lures loaded with 1 mg and 2 mg (Z,Z)-6,9-19:H. Optimum lure loading was identified in a further five trials in Kent, Sussex and Lancashire where lures of 0, 0.001, 0.01, 0.1, 1, 2, 5 and 10 mg loadings were tested. Traps baited with 1 to 10 mg of ZZ6,9-19:H caught significantly more T. polycommata than traps baited with 0 mg and 0.001 mg. In a pilot survey of T. polycommata using pheromone lures around Morecambe Bay, UK, T. polycommata males were captured at 122 new sites within the three counties where trials took place, demonstrating the potential of pheromone monitoring to increase knowledge of abundance, distribution and ecology of this elusive species.

Keywords(Z,Z)-6,9-nonadecadiene; electroantennography; insect conservation; lure; detection of endangered species; biodiversity; mapping indicator species; live-catching pheromone traps
Year2019
JournalJournal of Chemical Ecology
Journal citation45 (8), pp. 649-656
PublisherSpringer
ISSN1573-1561
Digital Object Identifier (DOI)https://doi.org/10.1007/s10886-019-01093-1
Official URLhttp://doi.org/10.1007/s10886-019-01093-1
Publication dates
Online13 Aug 2019
Publication process dates
Deposited06 Sep 2019
Accepted28 Jun 2019
Accepted author manuscript
Output statusPublished
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https://repository.canterbury.ac.uk/item/890w4/identification-of-female-sex-pheromone-for-monitoring-the-barred-tooth-striped-moth-trichopteryx-polycommata-a-priority-conservation-species

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